Oxygen-function amino-compounds.

2901 Acyclic hydrocarbons, acyclic hydrocarbons.

2902 Cyclic hydrocarbons, cyclic hydrocarbons.

2903 Halogenated derivatives of hydrocarbons.

2909 Ethers, ether-alcohols, ether-phenols, ether-alcohol-phenols, alcohol peroxides, ether peroxides, acetal and hemiacetal peroxides, ketone peroxides (whether or not chemically defined), and their halogenated, sulphonated, nitrated or nitrosated derivatives.

2912 Aldehydes, whether or not with other oxygen function; cyclic polymers of aldehydes; paraformaldehyde.

2918 Carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives.

2904 Sulphonated, nitrated or nitrosated derivatives of hydrocarbons, whether or not halogenated.

2905 Acyclic alcohols and their halogenated, sulphonated, nitrated or nitrosated derivatives.

2906 Cyclic alcohols and their halogenated, sulphonated, nitrated or nitrosated derivatives.

2907 Phenols; phenol-alcohols.

2908 Halogenated, sulphonated, nitrated or nitrosated derivatives of phenols or phenol-alcohols.

2910 Epoxides, epoxyalcohols, epoxyphenols and epoxyethers, with a three-membered ring, and their halogenated, sulphonated, nitrated or nitrosated derivatives.

2914 Ketones and quinones, whether or not with other oxygen function, and their halogenated, sulphonated, nitrated or nitrosated derivatives.

2915 Saturated acyclic monocarboxylic acids and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives.

2916 Unsaturated acyclic monocarboxylic acids, cyclic monocarboxylic acids, their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives.

2917 Polycarboxylic acids, their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives.

2920 Esters of other inorganic acids of non-metals (excluding esters of hydrogen halides) and their salts; their halogenated, sulphonated, nitrated or nitrosated derivatives.

2926 Nitrile-function compounds.

2919 Phosphoric esters and their salts, including lactophosphates; their halogenated, sulphonated, nitrated or nitrosated derivatives.

2921 Amine-function compounds.

2922 Oxygen-function amino-compounds.

2923 Quaternary ammonium salts and hydroxides; lecithins and other phosphoaminolipids, whether or not chemically defined.

2924 Carboxyamide-function compounds; amide-function compounds of carbonic acid.

2925 Carboxyimide-function compounds (including saccharin and its salts) and imine-function compounds.

2930 Organo-sulphur compounds.

2931 Other organo-inorganic compounds, other organo-inorganic compounds.

2929 Compounds with other nitrogen function.

2933 Heterocyclic compounds with nitrogen hetero-atom(s) only.

2932 Heterocyclic compounds with oxygen hetero-atom(s) only.

2936 Provitamins and vitamins, natural or reproduced by synthesis (including natural concentrates), derivatives thereof used primarily as vitamins, and intermixtures of the foregoing, whether or not in any solvent.

2937 Hormones, prostaglandins, thromboxanes and leukotrienes, natural or reproduced by synthesis; derivatives and structural analogues thereof, including chain modified polypeptides, used primarily as hormones.

2934 Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds.

2935 Sulphonamides, sulphonamides.

2938 Glycosides, natural or reproduced by synthesis, and their salts, ethers, esters and other derivatives.

2939 Alkaloids, natural or reproduced by synthesis, and their salts, ethers, esters and other derivatives.

2941 Antibiotics, antibiotics.

2904 Sulphonated, nitrated or nitrosated derivatives of hydrocarbons; whether or not halogenated